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(Lua) PKCS11 Certificate ChainSee more PKCS11 ExamplesDemonstrates how to make CA certs available for the certificate chain to be included when creating a signature (using a PKCS11 compatible smart card / USB token) such as for PDF, XMLDSig, etc. Note: This example requires Chilkat v9.5.0.88 or later.
-- In the following call to loadlib, change the path (./chilkat.dll) to the relative or absolute directory where the chilkat.dll, chilkat.so, or chilkat.dylib is located. chilkat = assert(package.loadlib("./chilkat.dll", "luaopen_chilkat"))() print(chilkat._VERSION) -- This example requires the Chilkat API to have been previously unlocked. -- See Global Unlock Sample for sample code. -- Note: Chilkat's PKCS11 implementation runs on Windows, Linux, Mac OS X, and other supported operating systems. local pkcs11 = chilkat.newPkcs11{} -- You will use the DLL (or shared lib) provided by your smart card vendor, or a DLL compatible with your smart card. -- On Windows, if the DLL is located in C:\Windows\System32, specify only the filename. -- Otherwise provide the full path. pkcs11:setSharedLibPath("bit4xpki.dll") local success = pkcs11:Initialize() if success == false then print(pkcs11:LastErrorText()) end -- Pass -1 for the slotID to open a session on the first non-empty slot. local slotID = -1 -- Open a session. local readWrite = true success = pkcs11:OpenSession(slotID,readWrite) if success == false then print(pkcs11:LastErrorText()) end -- Make it an authenticated session by calling Login. local userType = 1 -- Make sure to use the correct PIN for your smart card.. local pin = "0000" success = pkcs11:Login(userType,pin) if success == false then print(pkcs11:LastErrorText()) success = pkcs11:CloseSession() end -- Get the certificate (on the smart card) that has a private key. local cert = chilkat.newCert{} success = pkcs11:FindCert("privateKey","",cert) if success == true then print("Cert with private key: ", cert:SubjectCN()) else print("No certificates having a private key were found.") success = pkcs11:CloseSession() end -- If the certificates in the chain of authentication were contained on the smart card, -- then Chilkat would already have them (via the FindCert function) and the certs in the chain will be automatically used -- as needed when signing occurs. -- If you have CA certs located elsewhere, such as in .cer files, you can make them available to Chilkat in the following way: local certVault = chilkat.newXmlCertVault{} -- Please review the methods available in the XML certificate vault class. Different methods exist for adding certificates -- from various sources, such as PEM, PFX, or in-memory sources.. success = certVault:AddCertFile("someDir/caIntermediateCert.cer") -- ... success = certVault:AddCertFile("someDir/caCert.cer") -- (Your code should check the return value to make sure it succeeded.) success = cert:UseCertVault(certVault) if success == false then print(cert:LastErrorText()) success = pkcs11:CloseSession() end -- -------------------------------------------------------------------------- -- At this point, we have the cert (and certs in the chain of authentication) to be used for signing. -- The code for using the certificate in creating the digital signature, such as for a PDF, XML, etc., go here... -- -------------------------------------------------------------------------- -- Revert to an unauthenticated session by calling Logout. success = pkcs11:Logout() if success == false then print(pkcs11:LastErrorText()) success = pkcs11:CloseSession() end -- When finished, close the session. -- It is important to close the session (memory leaks will occur if the session is not properly closed). success = pkcs11:CloseSession() if success == false then print(pkcs11:LastErrorText()) end print("Success.") |
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